Isn't one of your first exercises in learning how to communicate to write a description of how to tie your shoelaces? The point being that it's basically impossible to use text to show that
Donald A. NormanWhat makes something simple or complex? It's not the number of dials or controls or how many features it has: It is whether the person using the device has a good conceptual model of how it operates.
Donald A. NormanI've been looking at the iPod- the Apple iPod. One of the interesting things about the iPod, one of the things that people love most about it is not the technology; it's the box it comes in
Donald A. NormanThe designer has an obligation to provide an appropriate conceptual model for the way that the device works. It doesn't have to completely accurate but it has to be sufficiently accurate that it will help in both the learning of the operation and also dealing with novel situations.
Donald A. NormanAny time you see signs or labels added to a device, it is an indication of bad design: a simple lock should not require instructions.
Donald A. NormanWill robot teachers replace human teachers? No, but they can complement them. Moreover, the could be sufficient in situations where there is no alternativeโโto enable learning while traveling, or while in remote locations, or when one wishes to study a topic for which there is not easy access to teachers. Robot teachers will help make lifelong learning a practicality. They can make it possible to learn no matter where one is in the world, no matter the time of day. Learning should take place when it is needed, when the learner is interested, not according to some arbitrary, fixed schedule
Donald A. Norman